/*
* ProjetoPSA - Plano de Substituição de Aulas
*    Copyright (C) 2010  Marcelo e Cicero
*
*    This program is free software: you can redistribute it and/or modify
*    it under the terms of the GNU General Public License as published by
*    the Free Software Foundation, either version 3 of the License, or
*    (at your option) any later version.
*
*    This program is distributed in the hope that it will be useful,
*    but WITHOUT ANY WARRANTY; without even the implied warranty of
*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*    GNU General Public License for more details.
*
*    You should have received a copy of the GNU General Public License
*    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*
*/


/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package projetoPSA.facades;

import java.util.ArrayList;
import java.util.List;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.criterion.Expression;
import projetoPSA.hibernate.DaoGenerico;
import projetoPSA.hibernate.HibernateUtils;
import projetoPSA.pojos.Curso;
import projetoPSA.pojos.Grade;
import projetoPSA.pojos.Turma;

/**
 *
 * @author Marcelo e Cicero
 */
public class CursoFacade {
    private Curso curso;
    private Session sessao;
    private Criteria criteria;


    public CursoFacade() {
    }

    public CursoFacade(Curso curso) {
        this.curso = curso;
    }


    private void begin() {
        this.sessao = new DaoGenerico().getSessao();
        this.criteria = sessao.createCriteria(Curso.class);
    }

    private void commit() {
        this.sessao.beginTransaction().commit();
        this.sessao.flush();
        this.sessao.close();
    }

    public List<Curso>getCursos(){
        List ret = criteria.list();
        commit();
        return ret;
    }

    public Curso getCurso(Long id){
        Curso ret = (Curso) criteria.add(Expression.eq("id", id)).uniqueResult();
        commit();
        return ret;
    }

    public void addTurma(Turma turma){
        curso.setTurmas(new ArrayList<Turma>());
        curso.getTurmas().add(turma);
        turma.setCurso(curso);
    }

    public void persiste(){
        begin();
        sessao.saveOrUpdate(this.curso);
        commit();
    }
    public void delete(){
        begin();
        sessao.delete(this.curso);
        commit();
    }

}
